20 Questions
What are the main parts of a computer?
Input devices, output devices, CPU and memory, motherboard, expansion cards, and hard drive ports and connections
Define an operating system and its role.
An operating system is a software that manages computer hardware and provides services for computer programs. Its role is to act as an intermediary between the computer hardware and the user, ensuring that the hardware functions properly and facilitating the execution of software applications.
What is meant by data?
Data refers to the raw facts and figures that are processed to produce information. It can be in the form of text, numbers, images, audio, or video.
Define the term network and identify the benefits of networking.
A network is a collection of computers and other hardware components interconnected by communication channels that allow sharing of resources and information. The benefits of networking include resource sharing, communication, collaboration, and cost reduction.
What are the goals of the chapter as stated in the text?
The goals of the chapter include describing the importance of computers in today’s world, identifying the main parts of a computer, defining an operating system and its role, defining the term program, explaining what is meant by data, defining the term network, identifying the benefits of networking, and exercising common Unix commands.
What is the function of a computer case?
Provides protection and support for internal components
What does the power supply do in a computer?
Converts AC power from the wall socket into DC
What is voltage in terms of electricity?
A measure of the force required to push electrons through a circuit
What is the main function of the motherboard?
Contains the buses, or electrical pathways found in a computer
What is the CPU also known as?
The brain of the computer
What is the difference between PROM, EPROM, and EEPROM?
PROM is non-erasable, EPROM is erasable with UV light, and EEPROM is electrically erasable and re-writable.
What is the maximum length of a serial cable?
50 feet (15.2 m)
What is the IEEE 1284 standard used for in parallel ports?
It is used for transmitting 8 bits of data at one time.
What is the maximum transmission speed of Gigabit Ethernet?
1000 Mbps
What is the function of an operating system?
It is a software that makes a computer work and provides various services such as storage management and user interfaces.
What are the two major brands of Central Processing Units (CPUs)?
Intel and AMD
Explain the function of a heat sink in a computer system.
Draws heat away from the core of the CPU
What is the main function of a case fan in a computer system?
Makes the cooling process more efficient
Differentiate between Random Access Memory (RAM) and Read Only Memory (ROM) in a computer system.
RAM is main memory for temporarily storing commands and data, while ROM retains its contents even after the computer is turned off.
What is the key characteristic of Read-only Memory (ROM) chips?
Cannot be erased or re-written
Test your knowledge of computers, parts of computers, data networking, operating systems, accounts, command prompt, DOS, Unix commands, and the role of the shell. This quiz covers the basic concepts and components of computing as per the Mekelle Institute of Technology's CSE 101 course in 2017.
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